(PHP 4 >= 4.0.6, PHP 5)
mb_strpos — Find position of first occurrence of string in a string
$haystack
, string $needle
[, int $offset = 0
[, string $encoding
]] )Finds position of the first occurrence of a string in a string.
Performs a multi-byte safe strpos() operation based on number of characters. The first character's position is 0, the second character position is 1, and so on.
haystack
The string being checked.
needle
The string to find in haystack. In contrast
with strpos(), numeric values are not applied
as the ordinal value of a character.
offset
The search offset. If it is not specified, 0 is used.
encoding
Il parametro encoding
è la codifica dei caratteri. Se è omesso, verrà utilizzata la
codifica interna.
Returns the numeric position of
the first occurrence of needle in the
haystack string. If
needle is not found, it returns FALSE.